Hydrology

Catchment hydrology/streamflow generation; Groundwater-surface water interactions; River flow measurement and hydrographs; Flood pulse concept

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After water infiltrates the soil it can take three different routes: matrix flow, pipeflow and
Macropore flow
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What is matrix flow?
Water moves through small soil pores
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Water in the saturated zone beneath the land surface (in soils and bedrock) which is temporally variable is:
Groundwater
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When precipitation>infilitration (typical of dry areas, frozen grounds, compacted groups [footpaths]) this is known as:
Infilitration excess
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Saturation excess occurs when...
Infiltration>Pore space
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If you put a well into the hyporheic zone and the height of water is greater than outside the well...
A and C
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Stream discharge is the...
Rate at which a volume of water passes through a cross sectional area per unit time
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If the mean stream velocity is at 0.6x depth, and the depth of a channel is 0.7m, what distance is the mean velocity from the surface?
0.42m
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What does the H in the v-notch weir equation stand for
Height of water behind notch
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Hydrographs show
Discharge over time
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The lag time shows the difference between peak rainfall (shown on highest hanging bar on top left of graph) and..
Peak flow
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Steep limbs on a hydrograph correlate with...
Upland (steep) basins
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The recurrence interval/return period..
A and B
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Other cards in this set

Card 2

Front

What is matrix flow?

Back

Water moves through small soil pores

Card 3

Front

Water in the saturated zone beneath the land surface (in soils and bedrock) which is temporally variable is:

Back

Preview of the front of card 3

Card 4

Front

When precipitation>infilitration (typical of dry areas, frozen grounds, compacted groups [footpaths]) this is known as:

Back

Preview of the front of card 4

Card 5

Front

Saturation excess occurs when...

Back

Preview of the front of card 5
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